Initial commit of OpenSPARC T2 architecture model.

[OpenSPARC-T2-SAM] / sam-t2 / devtools / amd64 / lib / python2.4 / site-packages / Pmw / Pmw_1_2 / demos / HistoryText.py

title = 'Pmw.HistoryText demonstration'

# Import Pmw from this directory tree.
import sys
sys.path[:0] = ['../../..']

import Tkinter
import Pmw

class Demo:
   def __init__(self, parent):
       # Create and pack the PanedWidget to hold the query and result
       # windows.
       # !! panedwidget should automatically size to requested size
       panedWidget = Pmw.PanedWidget(parent,
               orient = 'vertical',
               hull_height = 400,
               hull_width = 550)
       panedWidget.add('query', min = 0.05, size = 0.2)
       panedWidget.add('buttons', min = 0.1, max = 0.1)
       panedWidget.add('results', min = 0.05)
       panedWidget.pack(fill = 'both', expand = 1)

       # Create and pack the HistoryText.
       self.historyText = Pmw.HistoryText(panedWidget.pane('query'),
               text_wrap = 'none',
               text_width = 60,
               text_height = 10,
               historycommand = self.statechange,
       )
       self.historyText.pack(fill = 'both', expand = 1)
       self.historyText.component('text').focus()

       buttonList = (
           [20, None],
           ['Clear', self.clear],
           ['Undo', self.historyText.undo],
           ['Redo', self.historyText.redo],
           [20, None],
           ['Prev', self.historyText.prev],
           ['Next', self.historyText.next],
           [30, None],
           ['Execute', Pmw.busycallback(self.executeQuery)],
       )
       self.buttonDict = {}

       buttonFrame = panedWidget.pane('buttons')
       for text, cmd in buttonList:
           if type(text) == type(69):
               frame = Tkinter.Frame(buttonFrame, width = text)
               frame.pack(side = 'left')
           else:
               button = Tkinter.Button(buttonFrame, text = text, command = cmd)
               button.pack(side = 'left')
               self.buttonDict[text] = button

       for text in ('Prev', 'Next'):
           self.buttonDict[text].configure(state = 'disabled')

       self.results = Pmw.ScrolledText(panedWidget.pane('results'), text_wrap = 'none')
       self.results.pack(fill = 'both', expand = 1)

   def statechange(self, prevstate, nextstate):
       self.buttonDict['Prev'].configure(state = prevstate)
       self.buttonDict['Next'].configure(state = nextstate)

   def clear(self):
       self.historyText.delete('1.0', 'end')

   def addnewlines(self, text):
       if len(text) == 1:
           text = text + '\n'
       if text[-1] != '\n':
           text = text + '\n'
       if text[-2] != '\n':
           text = text + '\n'
       return text

   def executeQuery(self):
       sql = self.historyText.get()
       self.results.insert('end', 'Query:\n' + self.addnewlines(sql))
       self.results.see('end')
       self.results.update_idletasks()
       self.historyText.addhistory()
       results = 'Results:\nfoo'
       if len(results) > 0:
           self.results.insert('end', self.addnewlines(results))
       self.results.see('end')


######################################################################

# Create demo in root window for testing.
if __name__ == '__main__':
   root = Tkinter.Tk()
   Pmw.initialise(root)
   root.title(title)

   exitButton = Tkinter.Button(root, text = 'Exit', command = root.destroy)
   exitButton.pack(side = 'bottom')
   widget = Demo(root)
   root.mainloop()